Difference between Java SE EE ME

Question

Which one should I install when I want to start learning Java  I m going to start with some basics  so I will write simple programs that create files  directories  edit XML files and so on  nothing too complex for now   I guess Java SE  Standard Edition  is the one I should install on my Windows 7 desktop  I already have Komodo IDE which I will use to write the Java code

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Java SE is use for the desktop applications and simple core functions  Java EE is used for desktop  but also web development  networking  and advanced things

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Yes  you should start with Java SE   Java EE is for web applications and Java ME is for mobile applications--both of these build off of SE

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As I come across this question  I found the information provided on the Oracle s tutorial very complete and worth to share   The Java Programming Language Platforms     There are four platforms of the Java programming language          Java Platform  Standard Edition  Java SE    Java Platform  Enterprise Edition  Java EE    Java Platform  Micro Edition  Java ME    JavaFX         All Java platforms consist of a Java Virtual Machine  VM  and an   application programming interface  API   The Java Virtual Machine is a   program  for a particular hardware and software platform  that runs   Java technology applications  An API is a collection of software   components that you can use to create other software components or   applications  Each Java platform provides a virtual machine and an   API  and this allows applications written for that platform to run on   any compatible system with all the advantages of the Java programming   language  platform-independence  power  stability    ease-of-development  and security     Java SE     When most people think of the Java programming language  they think of   the Java SE API  Java SE s API provides the core functionality of the   Java programming language  It defines everything from the basic types   and objects of the Java programming language to high-level classes   that are used for networking  security  database access  graphical   user interface  GUI  development  and XML parsing       In addition to the core API  the Java SE platform consists of a   virtual machine  development tools  deployment technologies  and other   class libraries and toolkits commonly used in Java technology   applications     Java EE     The Java EE platform is built on top of the Java SE platform  The Java   EE platform provides an API and runtime environment for developing and   running large-scale  multi-tiered  scalable  reliable  and secure   network applications     Java ME     The Java ME platform provides an API and a small-footprint virtual   machine for running Java programming language applications on small   devices  like mobile phones  The API is a subset of the Java SE API    along with special class libraries useful for small device application   development  Java ME applications are often clients of Java EE   platform services     JavaFX     JavaFX is a platform for creating rich internet applications using a   lightweight user-interface API  JavaFX applications use   hardware-accelerated graphics and media engines to take advantage of   higher-performance clients and a modern look-and-feel as well as   high-level APIs for connecting to networked data sources  JavaFX   applications may be clients of Java EE platform services

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EE - Enterprise Edition - This Java edition is specifically designed for enterprise applications business where we have to deal with number of different servers with importance on security  transaction management etc    SE - Standard Edition - This edition is for standard applications    ME - Micro Edition - This java edition is specifically designed for mobile phone platforms  Where more importance is given on memory management as there is limited memory resources in mobiles     So basically JAVA has different editions for different requirements

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The SE JDK  has all the libraries you will ever need to cut your teeth on Java   I recommend the Netbeans IDE as this comes bundled with the SE JDK  straight from Oracle   Don t forget to set  path  and  classpath  variables especially if you are going to try command line   With a 64 bit system insert the  System Path  e g  C  Program Files  x86  Java jdk1 7 0 variable before the C  Windows system32  to direct the system to your JDK     hope this helps

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Java SE   Standard Edition   This is the core Java programming platform   It contains all of the libraries and APIs that any Java programmer should learn  java lang  java io  java math  java net  java util  etc         Java EE   Enterprise Edition   From Wikipedia       The Java platform  Enterprise Edition  differs from the Java Standard   Edition Platform  Java SE  in that it adds libraries which provide   functionality to deploy fault-tolerant  distributed  multi-tier Java   software  based largely on modular components running on an   application server    In other words  if your application demands a very large scale  distributed system  then you should consider using Java EE   Built on top of Java SE  it provides libraries for database access  JDBC  JPA   remote method invocation  RMI   messaging  JMS   web services  XML processing  and defines standard APIs for Enterprise JavaBeans  servlets  portlets  Java Server Pages  etc     Java ME   Micro Edition   This is the platform for developing applications for mobile devices and embedded systems such as set-top boxes   Java ME provides a subset of the functionality of Java SE  but also introduces libraries specific to mobile devices   Because Java ME is based on an earlier version of Java SE  some of the new language features introduced in Java 1 5  e g  generics  are not available   If you are new to Java  definitely start with Java SE

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If I were you I would install the Java SE SDK   Once it is installed make sure you have the JAVA HOME environment variable set and add the  JAVA HOME  bin dir to your path

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Here are some differences in terms of APIs  Java SE includes has the following APIs and many more   applet  awt  rmi  jdbc  swing collections xml binding JavaFX  Merged to Java SE 8   Java 8 Collections Streaming API Java 9 Reactive Streams API Java 9 HTTP 2 API   Java EE includes the following APIs and many more   servlet websocket java faces dependency injection ejb persistence transaction jms batch api   Java ME includes the following APIs and many more   Wireless Messaging Java ME Web Services Security and Trust Services API Location  Mobile XML API   Hope this helps

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Developers use different editions of the Java platform to create Java programs that run on desktop computers  web browsers  web servers  mobile information devices  such as feature phones   and embedded devices  such as television set-top boxes    Java Platform  Standard Edition  Java SE   The Java platform for developing applications  which are stand-alone programs that run on desktops  Java SE is also used to develop applets  which are programs that run in web browsers  Java Platform  Enterprise Edition  Java EE   The Java platform for developing enterprise-oriented applications and servlets  which are server programs that conform to Java EE   s Servlet API  Java EE is built on top of Java SE  Java Platform  Micro Edition  Java ME   The Java platform for developing MIDlets  which are programs that run on mobile information devices  and Xlets  which are programs that run on embedded devices

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According to the Oracle s documentation  there are actually four Java platforms    Java Platform  Standard Edition  Java SE  Java Platform  Enterprise Edition  Java EE  Java Platform  Micro Edition  Java ME  JavaFX   Java SE is for developing desktop applications and it is the foundation for developing in Java language  It consists of development tools  deployment technologies  and other class libraries and toolkits used in Java applications  Java EE is built on top of Java SE  and it is used for developing web applications and large-scale enterprise applications  Java ME is a subset of the Java SE  It provides an API and a small-footprint virtual machine for running Java applications on small devices  JavaFX is a platform for creating rich internet applications using a lightweight user-interface API  It is a recent addition to the family of Java platforms    Strictly speaking  these platforms are specifications  they are norms  not software   The Java Platform  Standard Edition Development Kit  JDK  is an official implementation of the Java SE specification  provided by Oracle  There are also other implementations  like OpenJDK and IBM s J9    People new to Java download a JDK for their platform and operating system  Oracle s JDK is available for download  here

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Java SE is the foundation on which Java EE is built   Java ME is a subset of SE for mobile devices   So you should install Java SE for your project

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I guess Java SE  Standard Edition  is the one I should install on my Windows 7 desktop  Yes  of course  Java SE is the best one to start with  BTW you must learn Java basics  That means you must learn some of the libraries and APIs in Java SE  Difference between Java Platform Editions  Java Micro Edition  Java ME    Highly optimized runtime environment  Target consumer products  Pagers  cell phones   Java ME was formerly known as Java 2 Platform  Micro Edition or J2ME   Java Standard Edition  Java SE   Java tools  runtimes  and APIs for developers writing  deploying  and running applets and applications  Java SE was formerly known as Java 2 Platform  Standard Edition or J2SE   everyone beginners starting from this  Java Enterprise Edition Java EE   Targets enterprise-class server-side applications  Java EE was formerly known as Java 2 Platform  Enterprise Edition or J2EE  Another duplicated question for this question   Lastly  about J   confusion JVM  Java Virtual Machine   JVM is a part of both the JDK and JRE that translates Java byte codes and executes them as native code on the client machine  JRE  Java Runtime Environment   It is the environment provided for the java programs to get executed  It contains a JVM  class libraries  and other supporting files  It does not contain any development tools such as compiler  debugger and so on  JDK  Java Development Kit   JDK contains tools needed to develop the java programs  javac  java  javadoc  appletviewer  jdb  javap  rmic      and JRE to run the program  Java SDK  Java Software Development Kit   SDK comprises a JDK and extra software  such as application servers  debuggers  and documentation  Java SE  Java platform  Standard Edition  Java SE  lets you develop and deploy Java applications on desktops and servers  same as SDK   J2SE  J2ME  J2EE Any Java edition from 1 2 to 1 5 Read more about these topics   Differences between JDK and Java SDK Java JDK  SDK  SE  What is the difference between JVM  JDK  JRE  amp  OpenJDK

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Yes  Java SE is where to start  All the tasks you mention can be handled with it   Java ME is the Mobile Edition  and EE is Enterprise Edition  these are specialized   extended versions of Standard Edition

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Java SE  Standard Edition  is for building desktop apps   Java ME  Micro Edition  is for old mobile devices   Java EE  Enterprise Edition  is for developing web based applications

[java] Difference between Java SE/EE/ME?

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